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Flowmaster 40 Series Chambered Muffler 40 Series - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound - 42543

$101.95
SKU:
42543
Weight:
8.40 LBS
Shipping:
Calculated at Checkout
Flowmaster 40 Series Chambered Muffler 40 Series - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound - 42543

Description

The Flowmaster Original 40 Series Chambered Muffler is engineered to deliver the legendary aggressive exhaust tone that Flowmaster is known for. Designed for drivers who want a deep, powerful interior resonance and a strong exterior rumble, this muffler is ideal for classic muscle cars, late-model performance vehicles, street rods, trucks, SUVs, and street/strip applications.

Constructed from durable 16-gauge aluminized steel and fully MIG-welded, the 40 Series is built for long-lasting performance in demanding environments. Its chambered internal design improves exhaust scavenging, enhances throttle response, and produces the iconic Flowmaster sound profile.

This model features a 2.50-inch offset inlet and 2.50-inch offset outlet, making it versatile for custom exhaust builds requiring an aggressive tone and proven durability.

Fitment (Separate Section — Required Format)

  • Universal fit

  • Fits vehicles requiring 2.50-inch offset inlet

  • Fits vehicles requiring 2.50-inch offset outlet

  • Suitable for:

    • Classic muscle cars

    • Late model muscle cars

    • Street rods

    • Street/strip builds

    • Trucks and SUVs

Features

  • Original, aggressive Flowmaster chambered exhaust tone

  • Strong interior resonance for a classic performance sound

  • Fully MIG-welded 16-gauge aluminized steel construction

  • Excellent choice for street/strip and off-road applications

  • Durable, high-temperature black painted finish

  • Designed for long-lasting performance

Technical Specifications

  • Brand: Flowmaster

  • Series: Original 40 Series

  • Muffler Type: Chambered

  • Material: Aluminized Steel

  • Color: Black

  • Finish: High-Temperature Paint

  • Inlet Diameter: 2.50 IN

  • Inlet Location: Offset

  • Inlet Connection: Slip-Fit

  • Outlet Diameter: 2.50 IN

  • Outlet Location: Offset

  • Outlet Connection: Slip-Fit

  • Shape: Oval

  • Body Length: 13.00 IN

  • Body Width: 9.50 IN

  • Body Height: 4.00 IN

  • Overall Length: 19.00 IN

  • Sound Level: Aggressive

  • Fitment Type: Universal

  • Reversible: No

  • Clamps Included: No

  • Hangers Included: No

  • Heat Shield: No

  • Category: Exhaust, Mufflers